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vfs: fix crash when truncating a just uploaded object - Fixes #5522

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This commit is contained in:
Nick Craig-Wood 2021-08-10 18:19:20 +01:00
parent 7a31ef783a
commit e87de7c7e3
1 changed files with 6 additions and 1 deletions
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7
vfs/file.go
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@ -744,7 +744,6 @@ func (f *File) Truncate(size int64) (err error) {
f.mu.Lock() f.mu.Lock()
writers := make([]Handle, len(f.writers)) writers := make([]Handle, len(f.writers))
copy(writers, f.writers) copy(writers, f.writers)
o := f.o
f.mu.Unlock() f.mu.Unlock()
// FIXME: handle closing writer // FIXME: handle closing writer
@ -761,6 +760,12 @@ func (f *File) Truncate(size int64) (err error) {
return err return err
} }
// if o is nil it isn't valid yet
o, err := f.waitForValidObject()
if err != nil {
return err
}
// If no writers, and size is already correct then all done // If no writers, and size is already correct then all done
if o.Size() == size { if o.Size() == size {
return nil return nil